MAM-A Inc. has developed a reputation for quality that is unequaled in the CD industry. Because of their patented Phthalocyanine (thalo-sy-a-neen) dye and attention to detail in the manufacturing process, MAM-A offers recordable media that is more reliable and longer lived than any other recording media available today. MAM-A Silver Digital Audio CD-R discs are made to record at 1x - 12x low speeds, ideal for audio recordings and are made for 100+ years longevity.